1991 IFS Chevy Silverado Wheeling
Almost any truck is affected by going to larger tires, and our best advice is to complement those larger meats with some lower gearing. We found a set of 4.56 gears for our GM 9 1/4 front differential, and decided that the addition of an ARB selectable Air Locker would not only help the off-roadability of our truck by keeping both front tires turning when we need it to, but also would help test the idea that a front locker will break parts in an independent front end. To match the front, GM Truck Center replaced the stock 3.73 gears in the rear 14-bolt with some 4.56 gears, but we left the factory Gov-Loc alone at this point. View Related Article
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